Founding Full Stack Engineer at OpenBuilder

We’re building a web-based AI app builder that lets non-technical users create, modify, and deploy real applications. At the core of the product is a browser-based IDE , powered by VS Code Web , where AI collaborates with users to write, edit, and evolve code safely. We believe AI should feel like a partner, not a black box. That means building systems that generate understandable changes, apply them predictably, and keep users in control. We’re hiring a Founding Full-Stack Engineer to help build the heart of the product: the AI-powered app builder and IDE experience . This is a senior / staff-level founding role with broad scope and real product ownership. You’ll work directly with the founders to define how AI interacts with code, how changes are reviewed and applied, and how non-technical users successfully build real software. A browser-based IDE using VS Code Web Custom VS Code extensions that enable AI-native workflows AI systems that: Generate code changes as explicit diffs Apply patches safely and deterministically Recover gracefully when models make mistakes Generate code changes as explicit diffs Apply patches safely and deterministically Recover gracefully when models ma